Nice work !

I know this thread is a bit dated, but I thought someone might appreciate this...
I didn't want to loose the position icons on my A/C control unit so, as mine were piano black, I cut the holes big enough so they could still be seen, unfortunately ths is almost impossible to do perfectly round, so I ordered some 2mm chrome vinyl decals made to measure off eBay for a couple of quid, to cover the edges.
The result is this, which I'm quite pleased with: